2018 Mercedes-Benz S Class 2.9 S350Ld AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: AMG Line Premium Plus
• Version: 2.9 S350Ld AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2018
• Mileage: 84,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres, 282 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz S Class AMG Line Premium Plus has covered 84,000 miles. Priced at £23,995, it is advertised £2,871 below the AskCar estimate of £26,866. The AskCar estimate uses 568 UK dealer adverts for the Mercedes-Benz S Class, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 31 days ago. Its asking price has since fallen by £500. Ask the dealer why the advert shows fewer miles than the 84,587 recorded at the latest MOT. Its MOT is recorded as valid until 25 September 2027. You can find this car at Chase Lane Motors in Waltham Abbey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Good value: £2,871 (10%) under the AskCar estimate of £26,866.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 568 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 7 November 2026.

A 2018 Mercedes-Benz S Class with the 2.9 diesel engine is typically advertised at £24,000: the median of the 50 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz S Class has been on sale for at least 31 days.

Price history

AskCar first saw this advert on 7 October 2026 at £24,495. Its asking price is now £23,995, £500 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 7 October 2026: £24,495
• 30 October 2026: £23,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 25 September 2027.

It failed its MOT on 7 September 2026 (nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside rear tyre tread depth below requirements of 1.6mm) and passed 7 days later, on 14 September 2026.

There were no advisories at the latest test.

Mileage at that test: 84,587 miles. The advert says 84,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 7,200 miles higher than the median mileage of a 2018 Mercedes-Benz S Class on AskCar.

Similar cars

6 other 2018 Mercedes-Benz S Class AMG Line Premium Plus 2.9 diesel automatic saloons are for sale at UK dealers, from £20,990 to £39,991, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz S Class AMG Line Premium Plus, 2.9 diesel saloon, grey. Mileage: 89,252 miles. Price: £23,495, £500 less than this car. Dealer: The Drivers Gallery in Bromsgrove. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-ec2a6a7f9ce4
• 2018 Mercedes-Benz S Class AMG Line Premium Plus, 2.9 diesel saloon, black. Mileage: 100,000 miles. Price: £24,750, £755 more than this car. Dealer: ASM (uk) in Redditch. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-ca327091cbff
• 2018 Mercedes-Benz S Class AMG Line Premium Plus, 2.9 diesel saloon, grey. Mileage: 57,798 miles. Price: £27,995, £4,000 more than this car. Dealer: Crystal Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-4f741477954a